Coordinated Universal Time, which is the international standard for civil time and the Internet.

(US, law) Initialism of Uniform Traffic Code.

(travel, GDS) Initialism of unable to contact.

(West Country, Somerset, obsolete, personal) I

(dialectal) Chilly, parky.

(sumo) a kimarite in which the attacker, in a last ditch effort, drops his hips while twisting and pulling his opponent up and past him, sometimes onto his back

(climatology) Initialism of Universal Thermal Climate Index.

(West Country, Somerset, obsolete) Alternative form of utchy